BME 314 Lecture 8 2010 - BiomechanicsI Krish Roy, Ph.D....

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Biomechanics I Krish Roy, Ph.D. Associate Professor Biomedical Engineering
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Learning Objectives: Biomechanics I At the end of this lecture students should be able to Define biomechanics Discuss the broad fields of study related to biomechanics Discuss how stress/strain influences cellular organization Draw a free body diagram of the external loads and reaction forces for a given system Make basic calculations of forces in static equilibrium
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Definition Biomechanics is the science that deals with the action of FORCES on biological solids, fluids, and visco-elastic materials (this can include internal and external forces) Application of PHYSICS in Biology and Medicine Could be cells, tissues or the whole human body Also generally included under this heading are the studies of kinematics and kinetics of human posture and movement Bio-dynamics, Kinesiology
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Goals and Rationale Goal To understand and quantify how biological tissues respond to applied forces Rationale Helps understand normal function and disease processes leading to better treatment Every cell is exposed to mechanical forces Many tissues and organs perform mechanical tasks Predict changes due to alterations Propose methods of intervention
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Areas and Applications Bone, cartilage, etc. Strength of materials (stress-strain response - see "Biomaterials" notes) Mechanics of Soft Tissue Heart valves, skin, etc. Mechanics of Cells (internal and external forces)
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This note was uploaded on 11/29/2010 for the course BME 314 taught by Professor Frey during the Fall '08 term at University of Texas at Austin.

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BME 314 Lecture 8 2010 - BiomechanicsI Krish Roy, Ph.D....

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